Unrated severityCISA KEVNVD Advisory· Published May 16, 2019· Updated Oct 21, 2025

CVE-2019-0863

Description

An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.

Affected products

Microsoft/Windowsv5
Range: 7 for 32-bit Systems Service Pack 1
Microsoft/Windows Serverv5
Range: 2008 R2 for x64-based Systems Service Pack 1 (Core installation)
Microsoft/Windows 10 Version 1903 for 32-bit Systemsv5
Range: unspecified
Microsoft/Windows 10 Version 1903 for x64-based Systemsv5
Range: unspecified
Microsoft/Windows 10 Version 1903 for ARM64-based Systemsv5
Range: unspecified
Microsoft/Windows Server, version 1903 (Server Core installation)v5
Range: unspecified

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporting-Local-Privilege-Escalation.htmlmitrex_refsource_MISC
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0863mitrex_refsource_MISC

News mentions

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cvss	0.000
epss	0.005
exploit	0.030
kev	0.120
patch	0.000
ransomware	0.000